Contents

#
# Copyright 2014 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public
# License as published by the Free Software Foundation; either version
# 2 of the License (GPLv2) or (at your option) any later version.
# There is NO WARRANTY for this software, express or implied,
# including the implied warranties of MERCHANTABILITY,
# NON-INFRINGEMENT, or FITNESS FOR A PARTICULAR PURPOSE. You should
# have received a copy of GPLv2 along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.

module Actions
  module Helpers
    # Delegate task information to presenter object
    module Presenter
      def presenter
        fail NotImplementedError
      end

      delegate :humanized_output, to: :presenter

      class Base
        include Algebrick::TypeCheck

        attr_reader :action

        def initialize(action)
          @action = action
        end

        def humanized_output
          fail NotImplementedError
        end
      end

      # Use sub-actions for presenting the data of the task
      class Delegated < Base
        def initialize(_action, delegated_actions)
          (Type! delegated_actions, Array).all? { |a| Type! a, Presenter }
          @delegated_actions = delegated_actions
        end

        def humanized_output
          @delegated_actions.map(&:humanized_output).compact.join("\n")
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
katello-2.2.2	app/lib/actions/helpers/presenter.rb